Rewrite most of the Roxygen directives
Change function name, rename arguments
Add arguments that match many from 'calmet_define_domain'
Add comment
Remove statements that read inputs from a file
Define the cell resolution as 250 m for testing purposes
Determine the UTM zone from the lat/lon provided
Define a PROJ.4 projection string for a lat/lon projection
Get extents of UTM grid (left, right, bottom, top) in meters
Create a data frame object for UTM values of LL, LR, UL, and UR
Create a SpatialPoints object for UTM values of LL, LR, UL, and UR
Generate Extent object in UTM
Create a RasterLayer object for UTM values
Create a SpatialPoints object for lat/lon values
Generate Extents object in long/lat projection
Get all surface met data and write CSV files to working
Generate a file list for the newly-generated CSV files
Define the start and end times and get number of hours in each year
Use CSV_files to extract data from specified stations
Use loop to get list of data frames for each station